1 /* 2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #include "window_frame_trace.h" 17 #include <unistd.h> 18 #ifdef FRAME_TRACE_ENABLE 19 #include "frame_trace.h" 20 #endif 21 22 namespace FRAME_TRACE { 23 24 #ifdef __aarch64__ 25 const char* FRAME_TRACE_SO_PATH = "/system/lib64/libframe_trace_intf.z.so"; 26 #else 27 const char* FRAME_TRACE_SO_PATH = "/system/lib/libframe_trace_intf.z.so"; 28 #endif 29 GetInstance()30WindowFrameTraceImpl* WindowFrameTraceImpl::GetInstance() 31 { 32 static WindowFrameTraceImpl ftWindow; 33 return &ftWindow; 34 } 35 #ifdef FRAME_TRACE_ENABLE AccessFrameTrace()36bool WindowFrameTraceImpl::AccessFrameTrace() 37 { 38 if (!judgeFrameTrace_) { 39 judgeFrameTrace_ = true; 40 accessFrameTrace_ = access(FRAME_TRACE_SO_PATH, F_OK) ? false : true; 41 } 42 return accessFrameTrace_; 43 } 44 VsyncStartFrameTrace()45void WindowFrameTraceImpl::VsyncStartFrameTrace() 46 { 47 if (!AccessFrameTrace()) { 48 return; 49 } 50 if (FrameAwareTraceEnable(intervalName_)) { 51 if (handleUI_ == nullptr) { 52 handleUI_ = CreateTraceTag(intervalName_); 53 } 54 if (handleUI_ != nullptr) { 55 EnableTraceForThread(handleUI_); 56 StartFrameTrace(handleUI_); 57 } 58 } 59 } 60 VsyncStopFrameTrace()61void WindowFrameTraceImpl::VsyncStopFrameTrace() 62 { 63 if (!AccessFrameTrace()) { 64 return; 65 } 66 if (FrameAwareTraceEnable(intervalName_)) { 67 if (handleUI_ != nullptr) { 68 StopFrameTrace(handleUI_); 69 } 70 } 71 } 72 #endif 73 } // namespace FRAME_TRACE 74